I need help with this biology

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Answer 1

Answer:

a) all cells have same genes, but different genes are active in different cells.

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Give some facts on Sputnik

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1.) Weight was roughly around 184 pounds (that would be some humans)
2.) Three of them were launched into space (not just 1)
3.) The 2nd of them was made in roughly about 4 weeks

Explain how the force of air resistance depends on an object's speed

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for smaller , slowing moving objects the force of air resistance varies a the first power of V ,for larger and faster objects, air resistance varies as the square of speed. V^{2} ..Hope this helps!!

Which is the SI base unit of mass

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kilogram or Kg

hope it helps ;)

Kilogram of kg is the unit

Compare mitosis and meiosis: please list 3 things that are unique to mitosis, 3 things thatare unique to meiosis, and 1 thing that they have in common. *

Answers

Mitosis occurs in the somatic cell, it is an equational division, mitosis is required for the repair and growth of the cell and organism consequently.

While meiosis occurs in gametes or germ cell, it is a reductional division, meiosis is responsible for the formation of sex cells as sperm and eggs in the organism.

Both mitosis and meiosis are responsible for splitting the nucleus and DNA and these are passed on to the two daughter cells formed.

Explanation:

Mitosis is the process of cell division in which the cell divides and each cell is identical to the parent cell in the context of DNA and its nature There are four phases of DNA as Prophase, metaphase, anaphase and telophase. The daughter cells formed, have diploid (2n) number of chromosomes.

While meiosis is the process of cell division in germ cells which start with one cell and ends in 4 haploid cells. Meiosis is completed in two steps as meiosis 1 and meiosis 2.

Is a Tundra biotic or abiotic

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Abiotic because a tundra dosnt have organisms alot just some

Abiotic because it can't breathe oxygen

How is blood in lungs oxygenated.

Answers

Explanation: since the blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated.

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